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Sidewise Tree Style Tabs

A dockable sidebar for Chrome featuring vertical Tree Style Tabs, Tab Hibernation, and much more.

  • FreeProprietary
  • Google Chrome

What is Sidewise Tree Style Tabs?

A dockable sidebar for Chrome featuring vertical Tree Style Tabs, Tab Hibernation, and much more.

  • Tree Style Tabs: organize your tabs in a tree view. Supports ctrl/shift multiselect, drag & drop, instant search, right-click context menu, and more.

  • Tab Hibernation: keep pages in the tree view without actually having the tab open. Handy for managing those resource-hungry tabs, keeping pages around for later viewing, etc.

  • Multiple sidebar panes: switch between Pages, Notepad, and Reddit sidebars with a click. More panes (and a Sidewise Pane API) coming soon.

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Sidewise Tree Style Tabs information

  • Developed byJoel Thornton
  • LicensingProprietary and Free product.
  • Alternatives32 alternatives listed

Supported Languages

  • English

Our users have written 1 comments and reviews about Sidewise Tree Style Tabs, and it has gotten 19 likes

Sidewise Tree Style Tabs was added to AlternativeTo by Muntoo on and this page was last updated . Sidewise Tree Style Tabs is sometimes referred to as Sidewise.

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And it has serious guts! How many?

It's Over Nine THOUSAAAND!!!!!

As author say on donation page:

"2+ years and 1500+ man-hours later, Sidewise was born. Weighing in at ~9000 lines of hand-crafted code, Sidewise is one of the most complex Chrome extensions ever created. Even so, great care was taken to keep it lightweight and resource-friendly."

Really know what it is all about, all this "1500+" and "~9000"... so my greetings with release.

Message to author: Seems you already borrow some concepts from Tabs Outliner and plan to borrow a little more, (as i see from discussions in you customer support threads), my advise - don't be very fanatical with this, or you will lost you distinction. Have the courage to walk you own way. Nobody needs a clone. For example this you non adherent to Chrome tab strip tabs ordering (which as I understand from you support threads you plan to abandon in favor of Tabs Outliner way of dealing with tabs) have real benefits, and in past I really seriously thought about same approach.

Anyway, welcome to the Arena! ; )

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Said about Sidewise Tree Style Tabs as an alternative


storing tree structure of surfing

Positive comment ago
as an alternative to  


  • tabs-management
  • Google Chrome Extension


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Lists containing Sidewise Tree Style Tabs

Chrome Extensions: Tabs/Session Manager •  Edge/Chrome Extensions

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